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ValentinkaMS [17]
3 years ago
12

Find the circumference of a circle whose area is 24 pie

Mathematics
1 answer:
nataly862011 [7]3 years ago
4 0

Answer:

C≈17.37

A Area 24

Using the formulas

A=πr^2

C=2πr

Solving for C

C=2π√A=2·√π·24≈17.36643

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jonny [76]
I need to know if you where are you gonna is the day you
4 0
4 years ago
Evaluate 18 - 5x when x = -7​
sukhopar [10]

Answer:

i thinks its -53

Step-by-step explanation:

18-5x

5x-7= -35

-35-18

-53

3 0
3 years ago
Martina will rent a car for the weekend. She can choose one of two plans. The first plan has an initial fee of $54 and costs an
viva [34]

Answer:

100 miles

Step-by-step explanation:

Let

x ----> the number of miles driven

y ---> the total cost

we know that

The linear equation in slope intercept form is equal  to

y=mx+b

where

m is the slope or unit rate of the linear equation

b is the y-intercept or initial value

In this problem we have

<em>First Plan</em>

The slope is equal to m=\$0.15\ per\ mile

The y-intercept is b=\$54

so

The linear equation is

y=0.15x+54 -----> equation A

<em>Second Plan</em>

The slope is equal to m=\$0.10\ per\ mile

The y-intercept is b=\$59

so

The linear equation is

y=0.10x+59 -----> equation B

To find out for what amount of driving do the two plans cost the same, equate equation A and equation B

0.15x+54=0.10x+59

solve for x

0.15x-0.10x=59-54

0.05x=5

x=100\ miles

Find the cost

for x=100 miles  

substitute in equation A or equation B (the cost is the same)

y=0.15(100)+54=\$69

4 0
3 years ago
I'll mark brainliest for the right answer!
bija089 [108]
I really think it's 85.
3 0
4 years ago
Read 2 more answers
What is the midpoint of C(5,9) and D(17,29)?
Yuliya22 [10]

Answer:

(11, 19)

Step-by-step explanation:

Difference between x values: 17 - 5 = 12

Half 12 = 6

5 + 6 (halfway along line) = 11

Difference between y values: 29 - 9 = 20

Half 20 = 10

9 + 10 (halfway along line) = 19

The answer is (11, 19).

8 0
3 years ago
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